John Hickman is the name of several figures, including a folk musician, an Australian mathematician, a Utah State Senator, a 20th c. British Ambassador to Chile, a 19th c Confederate General, a 19th c. Union Navy Medal of Honor Recipient, a 19th c. Colonel in the British Army in Afghanistan, and a 19th c. Mayor of Oxford.

• John Hickman (Australian mathematician), author of “A Note on Conway Multiplication of Ordinals.” ‘’Notre Dame Journal of Formal Logic’’. 24 (1983) no. 1, pp. 143-145. article (http://projecteuclid.org/Dienst/UI/1.0/Summarize/euclid.ndjfl/1093870228)
• John Hickman (American World War II pilot) author of “For God, Country, and the Hell of It.” 1985. Ballantine Books. ISBN 0345318536. War memoir.
• John Hickman (Texas Supreme Court Chief Justice) John Edward Hickman (1883-1962), Chief Justice of the Texas Supreme Court from 1948 to 1961 (http://www.tsha.utexas.edu/handbook/online/articles/view/HH/fhi1.html).
• John Hickman (American blue grass folk musician) Blue Grass Folk Musician (http://www.amazon.de/exec/obidos/ASIN/B000000EZR/musicoldmix/028-9980174-1358943).
• John Hickman (American political scientist),Home Page (http://www2.berry.edu/academics/humanities/government/hickman.asp).
• John Hickman (Civil War United States Representative) first a Douglas Democrat and later a Republican Member of Congress from 1854 to 1862.
• John Hickman (Utah State Senator) John W. Hickman, Utah State Representative for District 75 from 1993-2000, Utah State Senator for District 29 from 2001 to 2005. Home Page (http://se15.utahsenate.org/perl/spage/distall2003.pl?Dist29).
• John Hickman (British Ambassador to Chile, 1982-1987), author of “News from the Ends of the Earth: A Portrait of Chile.” 1998. Palgarve Macmillan. ISBN 0312215673.
• John Hickman (British Mayor of Oxford, England) Mayor (http://www.headington.org.uk/oxon/mayors/1714_1835/hickman_john_1827.htm/).
• John Hickman (American fundamentalist Christian Protestant preacher).
• John Hickman (Ohio Convict Executed in 1927) Photo (http://images.google.com/imgres?imgurl=http://www.drc.state.oh.us/web/Executed/executed128.jpg&imgrefurl=http://www.drc.state.oh.us/web/Executed/executed10.htm&h=393&w=294&sz=27&tbnid=MfvmDfrutVEJ:&tbnh=118&tbnw=89&start=21&prev=/images%3Fq%3DJohn%2BHickman%26start%3D20%26hl%3Den%26lr%3D%26ie%3DUTF-8%26sa%3DN)
• John Hickman (Civil War Confederate General) Confederate Gen. John P. Hickman, Tennessee for whom Hickman County Tennessee is named Photo (http://images.google.com/imgres?imgurl=http://www.state.tn.us/sos/statelib/pubsvs/4men2.jpg&imgrefurl=http://www.state.tn.us/sos/statelib/pubsvs/pension.htm&h=238&w=213&sz=11&tbnid=Jk5kZx70z4oJ:&tbnh=103&tbnw=93&start=44&prev=/images%3Fq%3DJohn%2BHickman%26start%3D40%26hl%3Den%26lr%3D%26ie%3DUTF-8%26sa%3DN)